split key

Noun

 * 1)  A key split at one end like a split pin, for the same purpose.
 * 2)  A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
 * 3)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
 * 1)  A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
 * 2)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
 * 1)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
 * 1)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
 * 1)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
 * 1)  A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.